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Question: A cannon ball is fired at an angle of 30Ã‚Â° above horizontal with an initial speed vi = 55 m/s. Assume the cannon ball leaves the cannon at ground level and ignore air resistance.

Part I: How long is the cannon ball in the air?

Part II: How far from the base of cannon does the cannon ball hit the ground?

Part III: Determine the correct answer. The speed of the stone

A. is greatest just after it is launched and just before it hits the ground

B. is greatest just after it is launched

C. is greatest at its maximum height

D. is constant throughout its flight

I need expert help to solve the above question. Thanks.

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Category:- Physics
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